From 0358ebe71689f3ec01484de0d932dbb18d87f0b9 Mon Sep 17 00:00:00 2001
From: Shad Storhaug <shad@shadstorhaug.com>
Date: Sun, 22 Sep 2013 01:53:57 +0700
Subject: [PATCH] Created EnumHelper class to wrap the Enum.TryParse method so
 an alternate implementation can be called in .NET 3.5, which doesn't support
 Enum.TryParse.

---
 .../MvcSiteMapProvider/EnumHelper.cs          | 31 +++++++++++++++++++
 .../MvcSiteMapProvider.csproj                 |  1 +
 .../MvcSiteMapProvider/SiteMap.cs             |  2 +-
 3 files changed, 33 insertions(+), 1 deletion(-)
 create mode 100644 src/MvcSiteMapProvider/MvcSiteMapProvider/EnumHelper.cs

diff --git a/src/MvcSiteMapProvider/MvcSiteMapProvider/EnumHelper.cs b/src/MvcSiteMapProvider/MvcSiteMapProvider/EnumHelper.cs
new file mode 100644
index 00000000..78494628
--- /dev/null
+++ b/src/MvcSiteMapProvider/MvcSiteMapProvider/EnumHelper.cs
@@ -0,0 +1,31 @@
+using System;
+
+namespace MvcSiteMapProvider
+{
+    static class EnumHelper
+    {
+        public static bool TryParse<TEnum>(string value, bool ignoreCase, out TEnum result) where TEnum : struct
+        {
+#if NET35
+            try
+            {
+                result = (TEnum)Enum.Parse(typeof(TEnum), value, ignoreCase);
+                return true;
+            }
+            catch
+            {
+            }
+            result = default(TEnum);
+            return false;
+#else
+            return Enum.TryParse<TEnum>(value, ignoreCase, out result);
+#endif
+        }
+
+        public static bool TryParse<TEnum>(string value, out TEnum result) where TEnum : struct
+        {
+            return EnumHelper.TryParse<TEnum>(value, false, out result);
+        }
+    }
+}
+
diff --git a/src/MvcSiteMapProvider/MvcSiteMapProvider/MvcSiteMapProvider.csproj b/src/MvcSiteMapProvider/MvcSiteMapProvider/MvcSiteMapProvider.csproj
index a312be44..ecf17ef8 100644
--- a/src/MvcSiteMapProvider/MvcSiteMapProvider/MvcSiteMapProvider.csproj
+++ b/src/MvcSiteMapProvider/MvcSiteMapProvider/MvcSiteMapProvider.csproj
@@ -164,6 +164,7 @@
     <Compile Include="DI\ConfigurationSettings.cs" />
     <Compile Include="DI\ControllerFactoryDecorator.cs" />
     <Compile Include="DI\DependencyResolverDecorator.cs" />
+    <Compile Include="EnumHelper.cs" />
     <Compile Include="ISiteMapNodeProvider.cs" />
     <Compile Include="ISiteMapSettings.cs" />
     <Compile Include="Reflection\AttributeAssemblyProvider.cs" />
diff --git a/src/MvcSiteMapProvider/MvcSiteMapProvider/SiteMap.cs b/src/MvcSiteMapProvider/MvcSiteMapProvider/SiteMap.cs
index 4771ef4c..45ab4c9b 100644
--- a/src/MvcSiteMapProvider/MvcSiteMapProvider/SiteMap.cs
+++ b/src/MvcSiteMapProvider/MvcSiteMapProvider/SiteMap.cs
@@ -809,7 +809,7 @@ protected virtual void ThrowIfHttpMethodInvalid(ISiteMapNode node)
         {
             HttpVerbs verbs;
             if (String.IsNullOrEmpty(node.HttpMethod) || 
-                (!Enum.TryParse<HttpVerbs>(node.HttpMethod, true, out verbs) && 
+                (!EnumHelper.TryParse<HttpVerbs>(node.HttpMethod, true, out verbs) && 
                 !node.HttpMethod.Equals("*") && 
                 !node.HttpMethod.Equals("Request", StringComparison.InvariantCultureIgnoreCase)))
             {